200% is the change from 275 to 825
Calculation steps:
[( 825 - 275 ) ÷ 275] x 100 = 200%
Formula
Percentage change = [(825 - 275) / 275] x 100
Subtract the new number by the original number
825 - 275 = 550
550 ÷ 275 = 2
2 x 100 = 200%
Example